The first perovskite solar cell with a commercially viable lifetime is here..
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"The first perovskite solar cell with a commercially viable lifetime is here, it's the first of its kind to compete with silicon-based cell performance. Pioneered in 2006, perovskite solar cells are regarded as high-efficiency, low-cost modular technology for implementation in the renewable power industry. That's because perovskites are semiconductors with a unique crystal structure that makes them particularly ideal for solar cell technology."
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Amine Moulay Ramdane.